<template>
    <div id="aCoursesList" class="bg-fa of">
        <!-- /课程详情 开始 -->
        <section class="container">
            <section class="path-wrap txtOf hLh30">
                <a :href="'/'" title class="c-999 fsize14">首页</a>
                \
                <a href="#" title class="c-999 fsize14">{{course.subjectLevelOne}}</a>
                \
                <span class="c-333 fsize14">{{course.subjectLevelTwo}}</span>
            </section>
            <div>
                <article class="c-v-pic-wrap" style="height: 357px;">
                    <section class="p-h-video-box" id="videoPlay">
                        <img :src="course.cover" :alt="course.title" class="dis c-v-pic">
                    </section>
                </article>
                <aside class="c-attr-wrap">
                    <section class="ml20 mr15">
                        <h2 class="hLh30 txtOf mt15">
                            <span class="c-fff fsize24">{{course.title}}</span>
                        </h2>
                        <section class="c-attr-jg">
                            <span class="c-fff">价格：</span>
                            <b class="c-yellow" style="font-size:24px;">￥{{course.price}}</b>
                        </section>
                        <section class="c-attr-mt c-attr-undis">
                            <span class="c-fff fsize14">主讲： {{course.teacherName}}&nbsp;&nbsp;&nbsp;</span>
                        </section>
                        <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#">收藏</a>
              </span>
                        </section>
                        <section class="c-attr-mt" v-if="Number(course.price) === 0||this.isBuy">
                            <a  href="javascript:void(0)" title="立即观看" class="comm-btn c-btn-3">立即观看</a>
                        </section>
                        <section class="c-attr-mt" v-else>
                            <a @click="createOrder()" href="javascript:void(0)" title="立即购买" class="comm-btn c-btn-3">立即购买</a>
                        </section>
                    </section>
                </aside>
                <aside class="thr-attr-box">
                    <ol class="thr-attr-ol clearfix">
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">购买数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{course.buyCount}}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">课时数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{course.lessonNum}}</h6>
                            </aside>
                        </li>
                        <li>
                            <p>&nbsp;</p>
                            <aside>
                                <span class="c-fff f-fM">浏览数</span>
                                <br>
                                <h6 class="c-fff f-fM mt10">{{course.viewCount}}</h6>
                            </aside>
                        </li>
                    </ol>
                </aside>
                <div class="clear"></div>
            </div>
            <!-- /课程封面介绍 -->
            <div class="mt20 c-infor-box">
                <article class="fl col-7">
                    <section class="mr30">
                        <div class="i-box">
                            <div>
                                <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                                    <a name="c-i" class="current" title="课程详情">课程详情</a>
                                </section>
                            </div>
                            <article class="ml10 mr10 pt20">
                                <div>
                                    <h6 class="c-i-content c-infor-title">
                                        <span>课程介绍</span>
                                    </h6>
                                    <div class="course-txt-body-wrap">
                                        <section class="course-txt-body">
                                            <p v-html="course.description">
                                                <!--{{course.description}}-->
                                            </p>
                                        </section>
                                    </div>
                                </div>
                                <!-- /课程介绍 -->
                                <div class="mt50">
                                    <h6 class="c-g-content c-infor-title">
                                        <span>课程大纲</span>
                                    </h6>
                                    <section class="mt20">
                                        <div class="lh-menu-wrap">
                                            <menu id="lh-menu" class="lh-menu mt10 mr10">
                                                <ul>
                                                    <!-- 文件目录 -->
                                                    <li class="lh-menu-stair" v-for="chapter in chapterVideoList"
                                                        :key="chapter.id">
                                                        <a href="javascript: void(0)" :title="chapter.title"
                                                           class="current-1">
                                                            <em class="lh-menu-i-1 icon18 mr10"></em>{{chapter.title}}
                                                        </a>

                                                        <ol class="lh-menu-ol" style="display: block;">
                                                            <li class="lh-menu-second ml30"
                                                                v-for="video in chapter.children" :key="video.id">
                                                                <a :href="'/player/'+video.videoSourceId"
                                                                   target="_blank" title>
                                                              <span class="fr">
                                                                <i class="free-icon vam mr10">免费试听</i>
                                                              </span>
                                                                    <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{video.title}}
                                                                </a>
                                                            </li>
                                                        </ol>
                                                    </li>
                                                </ul>
                                            </menu>
                                        </div>
                                    </section>
                                </div>
                                <!-- /课程大纲 -->
                            </article>
                        </div>
                    </section>
                </article>
                <aside class="fl col-3">
                    <div class="i-box">
                        <div>
                            <section class="c-infor-tabTitle c-tab-title">
                                <a title href="javascript:void(0)">主讲讲师</a>
                            </section>
                            <section class="stud-act-list">
                                <ul style="height: auto;">
                                    <li>
                                        <div class="u-face">
                                            <a href="#">
                                                <img :src="course.avatar" width="50"
                                                     height="50" alt>
                                            </a>
                                        </div>
                                        <section class="hLh30 txtOf">
                                            <a class="c-333 fsize16 fl" :href="'/teacher/'+course.teacherId">{{course.teacherName}}</a>
                                        </section>
                                        <section class="hLh20 txtOf">
                                            <span class="c-999">{{course.intro}}</span>
                                        </section>
                                    </li>
                                </ul>
                            </section>
                        </div>
                    </div>
                </aside>
                <div class="clear"></div>
            </div>
            <!-- /课程详情 结束 -->
            <div class="mt50 commentHtml">
                <div>
                    <h6 class="c-c-content c-infor-title" id="i-art-comment">
                        <span class="commentTitle">课程评论</span>
                    </h6>
                    <section class="lh-bj-list pr mt20 replyhtml">
                        <ul>
                            <li class="unBr">
                                <aside class="noter-pic">
                                    <img width="50" height="50" class="picImg" src="~/assets/img/avatar-boy.gif">
                                </aside>
                                <div class="of">
                                    <section class="n-reply-wrap">
                                        <fieldset>
                                            <textarea name="" v-model="comment.content" placeholder="输入您要评论的文字" id="commentContent"></textarea>
                                        </fieldset>
                                        <p class="of mt5 tar pl10 pr10">
                                        <span class="fl "><tt class="c-red commentContentmeg"
                                                              style="display: none;"></tt></span>
                                            <input type="button" @click="addComment()" value="评论" class="lh-reply-btn">
                                        </p>
                                    </section>
                                </div>
                            </li>
                        </ul>
                    </section>
                    <section class="">
                        <section class="question-list lh-bj-list pr">
                            <ul class="pr10">
                                <li v-for="(comment,index) in data.items" v-bind:key="index">
                                    <aside class="noter-pic">
                                        <img width="50" height="50" class="picImg" :src="comment.avatar">
                                    </aside>
                                    <div class="of">
                                      <span class="fl">
                                      <font class="fsize12 c-blue">
                                        {{comment.nickname}}</font>
                                      <font class="fsize12 c-999 ml5">评论：</font></span>
                                    </div>
                                    <div class="noter-txt mt5">
                                        <p>{{comment.content}}</p>
                                    </div>
                                    <div class="of mt5">
                                        <span class="fr"><font class="fsize12 c-999 ml5">{{comment.gmtCreate}}</font></span>
                                    </div>
                                </li>
                            </ul>
                        </section>
                    </section>
                    <!-- 公共分页 开始 -->
                    <div>
                        <div class="paging">
                            <!-- undisable这个class是否存在，取决于数据属性hasPrevious -->
                            <a
                                :class="{undisable: !data.hasPrevious}"
                                href="#"
                                title="首页"
                                @click.prevent="gotoPage(1)">首页</a>

                            <a
                                v-if="data.hasPrevious"
                                :class="{undisable: !data.hasPrevious}"
                                href="#"
                                title="前一页"
                                @click.prevent="gotoPage(data.current-1)">&lt;</a>

                            <a
                                v-for="page in data.pages"
                                :key="page"
                                :class="{current: data.current == page, undisable: data.current == page}"
                                :title="'第'+page+'页'"
                                href="#"
                                @click.prevent="gotoPage(page)">{{ page }}</a>

                            <a
                                v-if="data.hasNext"
                                :class="{undisable: !data.hasNext}"
                                href="#"
                                title="后一页"
                                @click.prevent="gotoPage(data.current+1)">&gt;</a>

                            <a
                                :class="{undisable: !data.hasNext}"
                                href="#"
                                title="末页"
                                @click.prevent="gotoPage(data.pages)">末页</a>
                            <div class="clear"></div>
                        </div>
                    </div>

                    <!-- 公共分页 结束 -->

                </div>

            </div>
        </section>

    </div>
</template>

<script>
	import courseApi from "../../api/course";
	import commentApi from "../../api/comment";
	import orderApi from "../../api/order";

	export default {

		data() {
			return {
				id: '',
				course: {
					id: '',
					subjectLevelOne: '',
					subjectLevelTwo: '',
					title: '',
					price: 0,
					lessonNum: 0,
					cover: '',
					buyCount: 0,
					viewCount: 0,
					description: '',
					teacherId: '',
					teacherName: '',
					intro: '',
					avatar: '',
					subjectLevelOneId: '',
					subjectLevelTwoId: ''

				},
				current: 1,
				size: 4,
				total: 10,
				data: {},
				comment: {
					content: '',
					courseId: ''
				},
				chapterVideoList: [],
                isBuy:false


			}
		},
		created() {
			this.id = this.$route.params.id
			this.getCourseInfo()
			this.initComment()

		},
		methods: {
			getCourseInfo() {
				courseApi.getCourseInfo(this.id).then(response => {

					if (response.data.data.course !== null) {
						this.course = response.data.data.course
						console.log(this.course)
					}
					this.chapterVideoList = response.data.data.chapters
                    this.isBuy = response.data.data.isBuy
				})
			},
			initComment() {
				commentApi.getCommentList(this.current, this.size, this.id).then(response => {
					this.data = response.data.data
				})
			},
			addComment() {

				this.comment.courseId = this.id
				this.comment.teacherId = this.course.teacherId
				commentApi.addComment(this.comment).then(response => {
					if (response.data.success) {
						this.$message({
							message: '评论成功',
							type: 'success'
						});
						this.comment.content = ''
						this.initComment()
					}else{
						//提示
						this.$message.error('您暂未登录,无法发表评论');
						this.comment.content = ''
                    }
				})
			},
			gotoPage(current) {
				commentApi.getCommentList(current, this.size, this.courseId).then(response => {
					this.data = response.data.data
				})
			},
			createOrder(){
				console.log(this.id)
				orderApi.createOrder(this.id).then(response=>{
                    if(!response.data.success){
						//提示
						this.$message.error(`${response.data.message}`);
                    }else{
						this.$router.push({
							path:'/orders/'+response.data.data.orderNo
						})
                    }
                })
            }
		}

	};
</script>
